Home / 2,294.80-3,455.68-2,005.72

Finding the Fourth Proportional to 2,294.80, 3,455.68 and 2,005.72

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Solution

The fourth proportional to 2,294.80, 3,455.68 and 2,005.72 is: 3,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.80 : 3,455.68 = 2,005.72 : x
  2. Step 2: Convert to fraction form
    2,294.80/3,455.68 = 2,005.72/x
  3. Step 3: Cross multiply
    2,294.80x = 3,455.68 × 2,005.72
  4. Step 4: Simplify right side
    2,294.80x = 6,931,126.49
  5. Step 5: Solve for x
    x = 6,931,126.49/2,294.80
  6. Step 6: Final answer
    x = 3,020.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.